DOMETIC C40S2: running cost
The DOMETIC C40S2 is certified by ENERGY STAR at 106 kWh a year, one of the cheaper models in its category to run among refrigerators currently certified.
That $20 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
How the DOMETIC C40S2 compares to other refrigerators
Against the category average of 386 kWh/yr, this model uses 72.5% less, ranking 33 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $53/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the DOMETIC C40S2 on that list: DOMETIC C40S1 ($20/yr, 106 kWh/yr) runs slightly less, while Fisher & Paykel RS2435SB* ($20/yr, 106 kWh/yr) runs slightly more.
Within the DOMETIC lineup
Ranked 2 of DOMETIC's 15 certified refrigerators, this sits between the C40S1 ($20/yr, the brand's cheapest) and the EA24D ($50/yr, its priciest).
What this adds up to over time
Over the 13-year service life NAHB reports for this category, running the DOMETIC C40S2 costs roughly $259 in electricity, separate from the purchase price.
Is it worth replacing?
Efficient as certified refrigerators go, $20/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
$20/year to run is the predictable cost of the DOMETIC C40S2; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Nothing here is estimated from a nameplate wattage; the 106 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 33 of 4,704, the DOMETIC C40S2 sits in the middle of the refrigerator category, see the guide to why your state changes this number for the other half of the math.